316813442 has 16 divisors (see below), whose sum is σ = 519674400. Its totient is φ = 143658240.

The previous prime is 316813439. The next prime is 316813447. The reversal of 316813442 is 244318613.

It is a junction number, because it is equal to n+sod(n) for n = 316813399 and 316813408.

It is not an unprimeable number, because it can be changed into a prime (316813447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7967 + ... + 26402.

It is an arithmetic number, because the mean of its divisors is an integer number (32479650).

Almost surely, 2^316813442 is an apocalyptic number.

316813442 is a deficient number, since it is larger than the sum of its proper divisors (202860958).

316813442 is a wasteful number, since it uses less digits than its factorization.

316813442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34801.

The product of its digits is 13824, while the sum is 32.

The square root of 316813442 is about 17799.2539731304. The cubic root of 316813442 is about 681.7124098829.

The spelling of 316813442 in words is "three hundred sixteen million, eight hundred thirteen thousand, four hundred forty-two".